<?php
namespace common\models\user;

use Yii;
use yii\base\Model;
use yii\captcha\Captcha;
use common\models\Setting\Setting;
/**
 * Login form
 */
class LoginForm extends Model
{
    public $username;
    public $password;
    public $rememberMe = true;
	public $verifyCode;  
    private $_user;

    /**
     * @inheritdoc
     */
    public function rules()
    {
		$setting = Setting::findBySql('SELECT value FROM setting where id = 51')->asArray()->all();
		$data = $setting[0]['value'];
		if(strstr($data,"8")){
			return [
				// username and password are both required
				[['username', 'password'], 'required'],
				// rememberMe must be a boolean value
				['rememberMe', 'boolean'],
				// password is validated by validatePassword()
				['password', 'validatePassword'],
				[['verifyCode'], 'required'],
				['verifyCode', 'captcha', 'message'=>'验证码错误'],
			];
		}else{
			return [
				// username and password are both required
				[['username', 'password'], 'required'],
				// rememberMe must be a boolean value
				['rememberMe', 'boolean'],
				// password is validated by validatePassword()
				['password', 'validatePassword'],
			];
		}

    }
    /**
     * @inheritdoc
     */
    public function attributeLabels()
    {
        return [
            'username' => Yii::t('app', 'Username'),
            'password' => Yii::t('app', 'Password'),
            'rememberMe' => Yii::t('app', 'Remember Me'),
			'verifyCode' => '', 
        ];
    }
    /**
     * Validates the password.
     * This method serves as the inline validation for password.
     *
     * @param string $attribute the attribute currently being validated
     * @param array $params the additional name-value pairs given in the rule
     */
    public function validatePassword($attribute, $params)
    {
        if (!$this->hasErrors()) {
            $user = $this->getUser();
            if (!$user || !$user->validatePassword($this->password)) {
                $this->addError($attribute,  Yii::t('app', 'Incorrect username or password.'));
            }
        }
    }

    /**
     * Logs in a user using the provided username and password.
     *
     * @return boolean whether the user is logged in successfully
     */
    public function login()
    {
        if ($this->validate()) {
            return Yii::$app->user->login($this->getUser(), $this->rememberMe ? 3600 * 24 * 30 : 0);
        } else {
            return false;
        }
    }

    /**
     * Finds user by [[username]]
     *
     * @return User|null
     */
    protected function getUser()
    {
        if ($this->_user === null) {
            $this->_user = User::findByUsername($this->username);
        }

        return $this->_user;
    }
}
